Datasheet

-40
-50
-60
-70
-80
-90
-100
-110
Single-ToneLoadPower(dBm)
SpuriousPoint(dBc)
-8 -6 -4 -2 0 2 4 6 8
LoadPoweratMatched50 LoadW
10MHz
5MHz
1MHz
-90
-95
-100
-105
-110
-115
-120
Frequency(Hz)
HarmonicDistortion(dBc)
1k 10k 100k 1M
V =2V
O PP
R =500W
L
G= 1V/V-
2ndHarmonic
3rdHarmonic
100
10
1
CapacitiveLoad(pF)
R ( )W
S
1 10 100 1000
9
6
3
0
-3
-6
-9
Frequency(MHz)
Gain(dB)
0 20 40 60 80 100 120 140 160 180 200
G=+2V/V
750W
R
S
V
IN
V
OUT
1kW
(1)
C
L
750W
NOTE:(1)1k isoptional.W
C =100pF
L
C =47pF
L
C =22pF
L
C =10pF
L
OPA890
80
70
60
50
40
30
20
10
0
Frequency(Hz)
CMRRandPSRR(dB)
1k 10k 100k 1M 10M 100M
-PSRR
CMRR
+PSRR
100
10
1
0.1
Frequency(Hz)
VoltageNoiseDensity(nV/ )HzÖ
CurrentNoiseDensity(pA/ )HzÖ
100 1k 10k 100k 1M 10M 100M
VoltageNoiseDensity(8nV/ )ÖHz
CurrentNoiseDensity(1pA/ )ÖHz
OPA890
www.ti.com SBOS369B –MAY 2007–REVISED DECEMBER 2009
TYPICAL CHARACTERISTICS: V
S
= ±5V (continued)
At T
A
= +25°C, G = +2V/V, R
F
= 750Ω, and R
L
= 200Ω, unless otherwise noted.
LOW-FREQUENCY INVERTING HARMONIC DISTORTION TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS
Figure 13. Figure 14.
RECOMMENDED R
S
vs CAPACITIVE LOAD FREQUENCY RESPONSE vs CAPACITIVE LOAD
Figure 15. Figure 16.
COMMON-MODE REJECTION RATIO AND POWER-SUPPLY
REJECTION RATIO vs FREQUENCY INPUT VOLTAGE AND CURRENT NOISE
Figure 17. Figure 18.
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